condition	mean	min	max
4 h after light	18.4222	12.0201	23.0248
8 h after light	11.281153333333334	2.84826	20.3218
12 h after light	15.583256666666667	9.58797	22.7966
4 h after dark	21.8997	16.5438	24.8967
8 h after dark	22.581366666666668	14.4902	28.8632
12 h after dark	24.6197	21.9171	27.1884